I think that this kernel needs a new fix that has been posted to KVM mailing list. The stack trace seems to match the report and the fix.
https://www.spinics.net/lists/kernel/msg3968888.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931254 Title: Google Confidential Compute fails to boot with 1.47 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-gcp/+bug/1931254/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs